data/lldb/monobt.py

   1 import lldb
   2
   3 def print_frames(thread, num_frames, current_thread):
   4     # TODO: Make output header similar to bt.
   5     print '%c thread #%i' % ('*' if current_thread else ' ', thread.idx)
   6
   7     if current_thread:
   8         selected_frame = thread.GetSelectedFrame()
   9
  10     for frame in thread.frames[:+num_frames]:
  11         pc = str(frame.addr)
  12         fmt = '  %c %s'
  13         var = frame
  14         if pc[0] == '0':
  15             try:
  16                 framestr = frame.EvaluateExpression('(char*)mono_pmip((void*)%s)' % pc).summary[1:-1]
  17                 var = 'frame #%i: %s%s' % (frame.idx, pc, framestr)
  18             except:
  19                 pass
  20
  21         print fmt % ('*' if current_thread and frame.idx == selected_frame.idx else ' ', var)
  22
  23 def monobt(debugger, command, result, dict):
  24     opts = {'all_bt': False, 'num_frames': None}
  25
  26     if command == 'all':
  27         opts['all_bt'] = True
  28     elif command.isdigit():
  29         opts['num_frames'] = int(command)
  30     elif command != '':
  31         print 'error: monobt [<number>|all]'
  32         return
  33
  34     target = debugger.GetSelectedTarget()
  35     process = target.process
  36
  37     if not process.IsValid():
  38         print 'error: invalid process'
  39         return
  40
  41     if opts['all_bt']:
  42         for thread in process.threads:
  43             print_frames(thread, len(thread), process.selected_thread == thread)
  44             print ''
  45     else:
  46         thread = process.selected_thread
  47         num_frames = len(thread) if opts['num_frames'] is None else opts['num_frames']
  48         print_frames(thread, num_frames, True)
  49
  50     return None
  51
  52 def __lldb_init_module (debugger, dict):
  53     # This initializer is being run from LLDB in the embedded command interpreter
  54     # Add any commands contained in this module to LLDB
  55     debugger.HandleCommand('command script add -f monobt.monobt monobt')
  56     print '"monobt" command installed'